Home / 3,071.13-4,234.89-2,821.44

Finding the Fourth Proportional to 3,071.13, 4,234.89 and 2,821.44

Calculator

Solution

The fourth proportional to 3,071.13, 4,234.89 and 2,821.44 is: 3,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.13 : 4,234.89 = 2,821.44 : x
  2. Step 2: Convert to fraction form
    3,071.13/4,234.89 = 2,821.44/x
  3. Step 3: Cross multiply
    3,071.13x = 4,234.89 × 2,821.44
  4. Step 4: Simplify right side
    3,071.13x = 11,948,488.04
  5. Step 5: Solve for x
    x = 11,948,488.04/3,071.13
  6. Step 6: Final answer
    x = 3,890.58

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.